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Finding the Fourth Proportional to 8,539.83, 12,809.28 and 3,277.37

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Solution

The fourth proportional to 8,539.83, 12,809.28 and 3,277.37 is: 4,915.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.83 : 12,809.28 = 3,277.37 : x
  2. Step 2: Convert to fraction form
    8,539.83/12,809.28 = 3,277.37/x
  3. Step 3: Cross multiply
    8,539.83x = 12,809.28 × 3,277.37
  4. Step 4: Simplify right side
    8,539.83x = 41,980,685.95
  5. Step 5: Solve for x
    x = 41,980,685.95/8,539.83
  6. Step 6: Final answer
    x = 4,915.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.